/* 主容器 */
.main-container {
    background-color: #EFEFEF;
   /* min-height: 100vh;*/
    padding: 20px 0;
    display: flex;
    justify-content: center;
}

/* 内容容器 */
.content-container {
    width: 1200px;
    display: flex;
    gap: 20px; /* 左右容器间距 */
}

/* 左侧导航 */
.left-sidebar {
    width: 15%;
    margin-top: 100px;
}

.navigation {
    background-color: white;
    padding: 30px 15px 15px 15px;
    border-radius: 5px;
}

.navigation .nav-link {
    text-decoration: none;
    color: inherit;
    display: block;
    margin-bottom: 20px;
    line-height: 1;
}

.navigation .nav-link:hover {
    color: #0066cc;
}

.navigation .nav-link.active {
    color: #0066cc;
    position: relative;
}

.navigation .nav-link.active::before {
    content: "";
    position: absolute;
    left: -15px;
    top: 0;
    bottom: 0;
    width: 3px;
    background-color: #0066cc;
}

/* 右侧内容 */
.right-content {
    flex: 1;
    padding: 20px;
    border-radius: 5px;
}

.title {
    text-align: center;
    margin-bottom: 20px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .content-container {
        width: 100%;
        flex-direction: column;
        padding: 0 15px;
    }

    .left-sidebar {
        width: 100%;
        margin-bottom: 15px;
        margin-top: 10px;
    }
}